2-氨基-4-甲氧基嘧啶

2,3-diacetoxy-2,3-dihydroimidazolo(1,2-a)pyrimidine-5(1H)-one

2'-脱氧异胞苷

1-(2-deoxy-β-D-erythro-pentofuranosyl)--2-{[(dibutylamino)methylidene]amino}pyrimidin-4(1H)-one

3-氧代丙酸乙酯